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3 years ago

Select all of the following expressions that are equivalent to 16a+40 .

1 answer:

lina2011 [118]3 years ago

5 0

The first one is true
4(4a+10) is
16 a + 40 after distribution

The second one is also true
2(8a+20)
16a + 40 after distribution

Third is not true
4a(4+10a)
16a + 40a^2 after distribution

Last one is also true
8(2a+5)
16a + 40 after distribution

Hope this helps :)

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Paha777 [63]

Answer:

Step-by-step explanation:

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3 years ago

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Ulleksa [173]

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2 years ago

C is the midpoint of BD. If BC = x + 7 and CD = 8x, what is CD?

Anastaziya [24]

Given :- 

C is the midpoint of BD .
BC = x + 7
CD = 8x

To Find :-

Value of BD ( correct )

Answer :- 

As C is the midpoint , we can say that the line is BCD . So that ,

BC + CD = BD

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( x+7 ) + 8x = BD
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BD = 9x + 7 .

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2 years ago

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nignag [31]

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3 years ago